@article {KNZ00289,
	title = {Distribution of polyploid variation in big bluestem (Andropogon gerardii , Poaceae) across the tallgrass prairie region},
	journal = {Genome},
	volume = {33},
	year = {1990},
	pages = {95 -100},
	keywords = {LTER-KNZ, tallgrass prairie},
	doi = {10.1139/g90-015},
	author = {Keeler, K.H.}
}
